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Dawie Groenewald runs luxury hunting safaris and breeds rhinos and other valuable game for sale on his farm in Limpopo, South Africa.

He is also a prominent voice in calls to legalise the country's trade in rhino horn. He argues, like others, that farming could supply demand without wild rhinos being killed.

A contentious issue in conservation circles, this approach and its ethics are disputed.

While the ban remains, the debate – like the poaching – continues.

Find out more: The brutal reality of rhino poaching